Masatoshi Koshiba

Japanese physicist and astronomer (1926-2020)
Person human Q155773
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Summary

Masatoshi Koshiba was born on September 19, 1926[1], in Toyohashi[2]. He died on November 12, 2020[3], in Tokyo[4]. He worked as a physicist[5], professor[6], and researcher[7]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (9,315 views/month, #7,270 of 1,000,298).[8]

Key Facts

  • Place of death: Tokyo[9]
  • Country of citizenship: Japan[10], Empire of Japan[11]
  • Field of work: particle physics[12], astrophysics[13]
  • Employer: University of Hamburg[14], University of Tokyo[15], High Energy Accelerator Research Organization[16], Tokai University[17], HFBS[18]
  • Educated at: University of Tokyo[19], Meiji University[20], University of Rochester[21], Kanagawa Prefectural Yokosuka High School[22]
  • Doctoral advisor: Shin'ichirō Tomonaga[23]
  • Award received: Commander's Cross of the Order of Merit of the Federal Republic of Germany[24], Order of Culture[25], Nobel Prize in Physics[26], Benjamin Franklin Medal[27], Order of the Rising Sun, 1st class[28], Wolf Prize in Physics[29], Humboldt Research Fellowship[30], Person of Cultural Merit[31], Asahi Prize[32], Fellow of the American Physical Society[33], Panofsky Prize[34], Humboldt Prize[35], Fellow of the Bangladesh Academy of Science[36], Nishina Memorial Prize[37]
  • Member of: Japan Academy[38], Russian Academy of Sciences[39], American Physical Society[40], National Academy of Sciences[41]
  • Sex or gender: male[42]
  • Doctoral student: Atsuto Suzuki[43], Takaaki Kajita[44], Yoji Totsuka[45]
  • Commons category: Masatoshi Koshiba[46]
  • Family name: Koshiba[47]
  • Given name: Masatoshi[48]
  • Topic's main category: Category:Masatoshi Koshiba[49]
  • Described by source: Masatoshi Koshiba, 94, Dies; Nobel Winner Tracked Ghostly Neutrinos[50]
  • Languages spoken, written or signed: Japanese[51]
  • Name in native language: 小柴 昌俊[52]
  • Name in kana: こしば まさとし[53]
  • Erdős number: 9[54]
  • Interested in: physics[55]

Body

Works and Contributions

Things named for Masatoshi Koshiba include Koshiba Prize[56], a science award[57], in Japan[58], founded in 2003[59].

Why It Matters

Masatoshi Koshiba has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[60] He is known by 30 alternative names across languages and contexts.[61]

Entities named for him include Koshiba Prize[56], a science award[57], in Japan[58], founded in 2003[59].

His notable doctoral advisees include Takaaki Kajita[62], a physicist[63], b. 1959[64], of Japan[65], awarded the Nobel Prize in Physics[66], specialised in physics[67]; Yoji Totsuka[68], a physicist[69], 1942–2008[70], of Japan[71], awarded the Order of Culture[72], specialised in physics[73]; and Atsuto Suzuki[74], a physicist[75], b. 1946[76], of Japan[77], awarded the Breakthrough Prize in Fundamental Physics[78], specialised in particle physics[79].

FAQs

Where was Masatoshi Koshiba born?

Masatoshi Koshiba was born in Toyohashi[2].

Where did Masatoshi Koshiba die?

Masatoshi Koshiba died in Tokyo[4].

What did Masatoshi Koshiba do for work?

Masatoshi Koshiba worked as a physicist[5], professor[6], and researcher[7].

Where did Masatoshi Koshiba go to school?

Masatoshi Koshiba was educated at University of Tokyo[19], Meiji University[20], University of Rochester[21], and Kanagawa Prefectural Yokosuka High School[22].

What awards did Masatoshi Koshiba receive?

Honors received include Commander's Cross of the Order of Merit of the Federal Republic of Germany[24], Order of Culture[25], Nobel Prize in Physics[26], and Benjamin Franklin Medal[27].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . Great Norwegian Encyclopedia. Retrieved . wikidata.org.
  2. [4] ↑ . Great Norwegian Encyclopedia. Retrieved . wikidata.org.
  3. [9] ↑ . wikidata.org.
  4. [42] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  5. [10] ↑ . wikidata.org.
  6. [11] ↑ . wikidata.org.
  7. [19] ↑ . wikidata.org.
  8. [20] ↑ . Retrieved . wikidata.org.
  9. [21] ↑ . wikidata.org.
  10. [22] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  14. [6] ↑ . wikidata.org.
  15. [7] ↑ . wikidata.org.
  16. [14] ↑ . wikidata.org.
  17. [15] ↑ . wikidata.org.
  18. [16] ↑ . wikidata.org.
  19. [17] ↑ . wikidata.org.
  20. [18] ↑ . wikidata.org.
  21. [24] ↑ . wikidata.org.
  22. [25] ↑ . wikidata.org.
  23. [26] ↑ . nobelprize.org. nobelprize.org. Provenance: wikidata.org.
  24. [27] ↑ . wikidata.org.
  25. [28] ↑ . wikidata.org.
  26. [29] ↑ . wolffund.org.il. wolffund.org.il. Provenance: wikidata.org.
  27. [30] ↑ . wikidata.org.
  28. [31] ↑ . wikidata.org.
  29. [32] ↑ . wikidata.org.
  30. [33] ↑ . wikidata.org.
  31. [34] ↑ . aps.org. Retrieved . aps.org. Provenance: wikidata.org.
  32. [35] ↑ . wikidata.org.
  33. [36] ↑ . wikidata.org.
  34. [37] ↑ . wikidata.org.
  35. [23] ↑ . wikidata.org.
  36. [43] ↑ . wikidata.org.
  37. [44] ↑ . wikidata.org.
  38. [45] ↑ . annualreviews.org. annualreviews.org. Provenance: wikidata.org.
  39. [46] ↑ . wikidata.org.
  40. [38] ↑ . japan-acad.go.jp. japan-acad.go.jp. Provenance: wikidata.org.
  41. [39] ↑ . wikidata.org.
  42. [40] ↑ . NNDB. aps.org. Provenance: wikidata.org.
  43. [41] ↑ . nasonline.org. Retrieved . nasonline.org. Provenance: wikidata.org.
  44. [1] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  45. [3] ↑ . Great Norwegian Encyclopedia. Retrieved . english.kyodonews.net. Provenance: wikidata.org.
  46. [47] ↑ . wikidata.org.
  47. [48] ↑ . wikidata.org.
  48. [49] ↑ . wikidata.org.
  49. [50] ↑ . wikidata.org.
  50. [51] ↑ . wikidata.org.
  51. [52] ↑ . wikidata.org.
  52. [53] ↑ . wikidata.org.
  53. [54] ↑ . wikidata.org.
  54. [55] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [62] ↑ . wikidata.org. → on this site
  2. [68] ↑ . wikidata.org. → on this site
  3. [74] ↑ . wikidata.org. → on this site
  4. [56] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [63] ↑ . Wikidata. wikidata.org. → on this site
  2. [64] ↑ . Wikidata. wikidata.org. → on this site
  3. [65] ↑ . Wikidata. wikidata.org. → on this site
  4. [66] ↑ . Wikidata. wikidata.org. → on this site
  5. [67] ↑ . Wikidata. wikidata.org. → on this site
  6. [69] ↑ . Wikidata. wikidata.org. → on this site
  7. [70] ↑ . Wikidata. wikidata.org. → on this site
  8. [71] ↑ . Wikidata. wikidata.org. → on this site
  9. [72] ↑ . Wikidata. wikidata.org. → on this site
  10. [73] ↑ . Wikidata. wikidata.org. → on this site
  11. [75] ↑ . Wikidata. wikidata.org. → on this site
  12. [76] ↑ . Wikidata. wikidata.org. → on this site
  13. [77] ↑ . Wikidata. wikidata.org. → on this site
  14. [78] ↑ . Wikidata. wikidata.org. → on this site
  15. [79] ↑ . Wikidata. wikidata.org. → on this site
  16. [57] ↑ . Wikidata. wikidata.org. → on this site
  17. [58] ↑ . Wikidata. wikidata.org. → on this site
  18. [59] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [8] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [60] ↑ . Wikidata sitelinks. wikidata.org.
  3. [61] ↑ . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Masatoshi Koshiba. Retrieved October 17, 2026, from https://4ort.xyz/entity/masatoshi-koshiba
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 18h ago · OKA bot bot · 2026-10-17 view diff on Wikidata ↗
    Claims rich → —
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ source for place of birth, source for place of death, source for date of birth, source for date of death from Store norske leksikon ([[Wik"
  2. 12d ago · Printstream · 2026-10-05 view diff on Wikidata ↗
    Place of death → Tokyo, Tokyo
    Claims rich → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/57880|batch #57880]]: Import more precise places of birth, date from dewiki"
  3. 17d ago · Pescan · 2026-10-01 view diff on Wikidata ↗
    Encyclopaedia beliana id → kosiba-masatosi
    Wikipedia languages → ['af', 'ar', 'arz', 'az', 'azb', 'be', 'bg', 'bn', 'ca', 'cs', 'da', 'de', 'el',
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ Encyclopaedia beliana id: kosiba-masatosi"
  4. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 2HZ14x, DxSEN
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  5. 23w ago · MarisDreshmanisBot bot · 2026-05-06 view diff on Wikidata ↗
    Languages spoken, written or signed → Japanese
    Employer → University of Hamburg, University of Tokyo, High Energy Accelerator Research Organization +2
    Field of work → —
    Award received → —
    + 31 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages:0||109 */ Add multilingual descriptions (109 languages) — Task 12 (Nobel laureates) — deterministic from P106 (occupation) + P27 (citizenship) labels, no machine trans"
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